The Jovian Hardfork for Katana Bokuto (Testnet) is scheduled for activation on: Tue Feb 03 2026 16:30:01 UTC.

This upgrade brings several improvements to the way rollup fees are calculated. Refer to the Upgrade 17 Notice for full change log.

Required Actions:
No action required if you don't run external nodes.
If you or your partners run an external node, you need to:

• Update op-node to the latest version v1.16.5

• Update op-geth to the latest version v1.101605.0

• Add the following parameters to

  • op-node: --override.jovian=1770136201

  • op-geth: --override.jovian=1770136201

Make sure your infrastructure is running the latest compatible versions before timing shared above.

Nodes that are not upgraded correctly will stop syncing after activation.

Questions?
If you have any questions, feel free to contact Conduit Support through your usual channels or at support@conduit.xyz.